YANKTON, SD 57078 Weather Forecast & Current Conditions

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57078 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
YANKTON, SD Current Weather
12:56 AM CDT SEP 20, 2026
Overcast 61°F
Feels Like:	60°F
Dewpoint:	59°F
Rel. Hum.:	93%
Visibility:	10 miles
Wind:	N at 7 mph
Pressure:	30.04 inches
Last 72 hours
Local Area Snow Depth
South Dakota Current Weather
South Dakota MOS Forecast Weather

Weather Map

(Automated weather data from NWS/FAA)

57078 WEATHER FORECAST
10-Day model forecast maps 2026 Hurricanes	YANKTON, SD 57078 Weather Forecast	Snowfall Forecast pages Snow Depth pages

OVERNIGHT
Cloudy with patchy drizzle. Near steady temperature in the upper 50s. Northeast winds 5 to 10 mph.

SUNDAY
Cloudy. Patchy fog in the morning. A slight chance of showers with patchy drizzle in the morning, then a chance of showers in the afternoon. Near steady temperature in the lower 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

SUNDAY NIGHT
Showers in the evening, then showers with a slight chance of thunderstorms after midnight. Lows in the lower 50s. Northeast winds around 10 mph with gusts up to 20 mph. Chance of rain 90 percent.

MONDAY
Showers with a slight chance of thunderstorms in the morning. Highs in the upper 50s. Northeast winds around 10 mph with gusts up to 20 mph. Chance of rain 80 percent.

MONDAY NIGHT
Mostly cloudy. Lows in the upper 40s. East winds 5 to 10 mph.

TUESDAY
Partly sunny. Highs in the mid 60s.

TUESDAY NIGHT
Partly cloudy. Lows in the upper 40s.

WEDNESDAY
Mostly sunny. Highs in the mid 60s.

WEDNESDAY NIGHT
Mostly cloudy. A chance of showers after midnight. Lows in the mid 50s. Chance of rain 50 percent.

THURSDAY
Mostly cloudy with a chance of showers in the morning, then partly sunny in the afternoon. Highs around 70. Chance of rain 50 percent.

THURSDAY NIGHT
Mostly cloudy. Lows in the upper 50s.

FRIDAY
Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 70s.

FRIDAY NIGHT
Mostly cloudy. A chance of showers after midnight. Lows in the upper 50s. Chance of rain 30 percent.

57078 WEATHER SATELLITE LOOPS

Visible Weather Satellite
YANKTON, SD 57078

Infrared Weather Satellite
YANKTON, SD 57078

57078 WEATHER RADAR LOOP

NEXRAD Weather Radar
YANKTON, SD 57078

MOS COMPUTER WEATHER FORECAST

YANKTON, SD 3 hourly weather forecast

weather forecast created 5:00 PM PDT 9/19/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Sunday
20 SEP 2026

1 AM

61°

60°

Mostly Cloudy

5%

0% Thunder
( 2% severe)

NNE 8

97%

60°

Low 58°

4 AM

60°

59°

Mostly Cloudy

NNE 8

100%

60°

High 64°

7 AM

59°

57°

Mostly Cloudy

11%
RAIN
<.01 in

0% Thunder
( 2% severe)

NNE 9

100%

59°

Mostly Cloudy

Rain Likely

10 AM

60°

58°

Mostly Cloudy

NE 12

96%

59°

1 PM

62°

61°

Mostly Cloudy

54%
RAIN
.5–1 in

0% Thunder
( 9% severe)

NE 12

87%

58°

4 PM

62°

61°

Mostly Cloudy

NE 12

87%

58°

7 PM

60°

59°

Overcast

64%
RAIN
.01–.1 in

0% Thunder
( 10% severe)

NE 9

96%

59°

10 PM

60°

59°

Overcast

NE 9

100%

60°

Monday
21 SEP 2026

1 AM

59°

58°

Overcast

87%
RAIN
***

0% Thunder
( 10% severe)

NE 8

100%

59°

Low 52°

4 AM

58°

56°

Overcast

NE 8

100%

58°

High 59°

7 AM

57°

55°

Overcast

68%
RAIN
.5–1 in

0% Thunder
( 9% severe)

ENE 9

100%

57°

Mostly Cloudy

Rain Likely

10 AM

57°

55°

Mostly Cloudy

ENE 10

100%

57°

1 PM

57°

55°

Mostly Cloudy

9%

0% Thunder
( 4% severe)

ENE 10

93%

55°

4 PM

58°

56°

Mostly Cloudy

ENE 10

90%

55°

7 PM

56°

54°

Mostly Cloudy

3%

0% Thunder
( 2% severe)

ENE 9

93%

54°

10 PM

54°

52°

Mostly Cloudy

E 7

100%

54°


YANKTON, SD extended weather forecast
BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE
Low 53°	Low 51°	Low 51°	Low 54°	Low 52°
High 61°	High 65°	High 72°	High 74°	High 72°

Overcast 71% Rain	Overcast 26% Rain	Overcast 35% Rain	Overcast 48% Rain	Mostly Cloudy 27% Rain

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